Regime Shifts and Resilience in Fisheries Management: A Case Study of the Argentinean Hake fishery

Chuan Zhong Li, Sebastian Villasante*, Xueqin Zhu

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

We investigate the role of potential regime shifts in Argentinean hake fishery and the inter-linkage between ecological and economic resilience. We develop a theoretical model incorporated with the hazard function for resource management under alternative conditions, and derive the corrective tax. Applying the model to the case of Argentinean hake fishery, we obtain insights for fishery management in the presence of risk for a regime shift. Based on three value functions, our model simulation indicates that the higher the relative loss from the fishery collapse, the more important the risk management would be with the resilience value taken into account. A higher level of fish stock leads to a higher optimized value and a lower corrective tax rate. When the stock level is lower, we need to introduce a higher tax rate to best avoid the fishery collapse. Decomposing the marginal value of the fish stock into a stock service value for fish production and a resilience value for flip risk reduction, we find that a higher fish stock leads to a lower tax rate because of the higher resilience of the fish stock, and hence the corrective tax rate as an instrument for managing fishery becomes less important.

Original languageEnglish
Pages (from-to)623-637
JournalEnvironmental and Resource Economics
Volume65
Issue number3
DOIs
Publication statusPublished - 2016

Keywords

  • Argentinean hake fishery (Merluccius hubbsi)
  • Corrective tax
  • Marine ecosystems
  • Regime shifts
  • Resilience

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